Mop head



FIG. 1 is a perspective view of a mop head showing my invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof, with the right side being a mirror image thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines of the sponge mechanism and the holes on the rear side and bottom four protrusions are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a mop head, as shown and described. 